.contents {
  background: pink;
  color: #333;
  width: 300px;
}
#wrap {
  color: bisque;
  width: 80%;
}
.wrap {
  color: #ccc;
}
#wrap {
  color: #444;
}
.wrap {
  border-style: solid;
}
body {
  background: url("../../images/cat.jpg");
}
.div1 {
  background: red;
}
.div2 {
  width: 200px;
  height: 200px;
  border: none;
}
.div3 {
  width: 280px;
  height: 200px;
  margin: 1400px;
  color: #666666;
  background-color: #444444;
}
.div4 {
  width: 9%;
}
#wrap::after {
  content: "I am Lili";
}
